21597086

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7993}}^1$

素因数の和:8195

約数の個数: 16

約数和(自身を含む): 37220064

約数和(自身を除く): 15622978

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 7993, 15986, 55951, 111902, 1542649, 3085298, 10798543, 21597086]

約数ペア:

[(1, 21597086), (2, 10798543), (7, 3085298), (14, 1542649), (193, 111902), (386, 55951), (1351, 15986), (2702, 7993)]